At the start of abduction of the arm, the deltoid muscle is assisted by (the)

A) biceps brachii.
B) subclavius.
C) supraspinatus.
D) infraspinatus.
E) coracobrachialis.


C) supraspinatus.

Anatomy & Physiology

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If the rate of stimulation to a muscle is such that the relaxation phase is completely eliminated, the contraction type is ________

A) complete tetanus B) wave summation C) incomplete tetanus D) None of the listed responses is correct.

Anatomy & Physiology

Which of the following will decrease peripheral resistance?

A) increase in vessel length B) increase in blood viscosity C) increase in vessel radius D) increase in vessel obstructions

Anatomy & Physiology

The predominant extracellular anion is

A. protein. B. phosphate. C. bicarbonate. D. chloride. E. sodium.

Anatomy & Physiology

The binding of a hormone and a carrier protein is ________; a very ________ fraction of such a hormone in the blood is bound to a carrier at any one point in time.

A. temporary; small B. temporary; large C. permanent; small D. permanent; large

Anatomy & Physiology